DRILL-7970: Add URL Parameters to HTTP Plugin (#2270)
* Initial Commit
* URL modification methods working
* Working, Need tests
* Code working
* Code cleanup
* WIP: Found Param Bug
* WIP: Found Param Bug
* Working, Adding Unit Tests
* Unit test working
* Initial Commit
* URL modification methods working
* Working, Need tests
* Code working
* Code cleanup
* WIP: Found Param Bug
* Working, Adding Unit Tests
* Unit test working
* Removed unused imports
* WIP
* Converted String manipulation to regex
* Added tests for hasLimit
* Addressed review comments
* Updated README
* Fixed regex
* Added Exception for Blank Default Param
* Updated docs
* Fixed Merge Conflicts
